ddd ddf ddi ddk ddr dds ddt ddy dfd dff dfi dfk dfr dfs dft di- did dif dii dik dir dis dit diy dki dkk dkr dks dkt drd dri drk drr drs drt dry dsd dsf dsi dsk dsr dss dst dsy dtd dtf dti dtk dtr dts dtt dty dy- dyd dyk dyr dys dyy fdd fdf fdi fdk fdr fds fdt ffd fff ffi ffk ffr ffs fft ffy fid fif fii fik fir fis fit fkf fki fkk fkt frd frf fri frk frr frs frt fry fsd fsf fsi fsk fsr fss fst ftd ftf fti ftk ftr fts ftt fty fy- fyi fyk i-d i-f idd idf idi idk idr ids idt idy ifd iff ifi ifr ifs ift ify iid iif iii iir iis iit ikf iki ikk ikr iks ikt ir- ird irf iri irk irr irs irt iry is- isd isf isi isk isr iss ist isy itd itf iti itk its itt ity iyr iys iyt iyy k-t kdf kdk kdr kds kdt kdy kfd kff kfi kfs kid kif kii kik kir kis kit kki kkk kkr kks kkt kky krd krf kri krk krr krs krt kry ksd ksf ksi ksk ksr kss kst ktf ktk ktr kts ktt kyd kyr kys kyt rdd rdf rdi rdr rds rdt rdy rfd rff rfi rfk rfr rfs rft rid rif rii rik rir ris rit riy rkf rkk rks rkt rky rrd rrf rri rrk rrr rrs rrt rsd rsf rsi rsk rsr rss rst rtd rtf rti rtk rtr rts rtt rty ry- ryd ryf ryk ryr rys ryy sdd sdf sdi sdk sdr sds sdt sdy sfd sff sfi sfk sfr sfs sft sid sif sii sik sir sis sit sk- skd skf ski skk skr sks skt sky sr- srd srf sri srk srr srs srt sry ss- ssd ssf ssi ssk ssr sss sst std stf sti stk str sts stt sty sy- syd syi syk syr sys syt tdd tdf tdi tdk tdr tds tdt tdy tfd tff tfi tfk tfr tfs tft tid tif tii tik tir tis tit tiy tkk tkr tks tkt tky trd trf tri trk trr trs trt try tsd tsf tsi tsk tsr tss tst tsy ttd ttf tti ttk ttr tts ttt tty tyd tyf tyr tys tyt yds ydt ydy yfd yff yfr yfs yft yid yif yii yir yis yit yki ykk yrf yrs yrt ysi ysk ysr yss yst ysy ytd ytf ytk ytr yts ytt yyf yys yyt yyy